Honeywell TH6320ZW2003 Pro Z-Wave Programmable Thermostat Installation Guide
Wiring conventional systems: forced air and hydronics
1H/1C System (1 transformer)
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
1H/1C System (2 transformers)
Power (heating transformer) [1]
Rc Power (cooling transformer) [1]
R
R
Y
Compressor contactor
24 VAC common [3]
Heat relay
Y
Compressor contactor
24 VAC common [3, 4]
Heat relay
C
W
G
C
W
G
Fan relay
Fan relay
Heat-only System
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
Heat-only System with Fan
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
R
C
W
24 VAC common [3]
Heat relay
C
W
G
24 VAC common [3]
Heat relay
Fan relay
Heat-only System (Series 20) [5]
Series 20 valve terminal “R” [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Cool-only System
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Y
C
W
Series 20 valve terminal “W”
24 VAC common [3]
Series 20 valve terminal “B”
Y
C
G
Compressor contactor
24 VAC common [3]
Fan relay
Heat-only System
(power open zone valve) [5]
2H/2C System (1 transformer) [6]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Power [1]
R
Rc [R+Rc joined by Slider Tab] [2]
W
C
Valve
24 VAC common [3]
Y
Compressor contactor (stage 1)
24 VAC common [3]
Heat relay (stage 1)
Fan relay
C
W
G
W2 Heat relay (stage 2)
Y2 Compressor contactor (stage 2)
NOTES:
• Available wiring configurations may differ by product models/product numbers.
• Wire specifications: Use 18- to 22-gauge thermostat wire. Shielded cable is not required.
[1] Power supply. Provide disconnect means and
[5] In Installer Setup Options (ISU), set system type
overload protection as required.
to Boiler. Set number of cool stages to 0.
[2] Move R-Slider Tab on UWP to the R setting. For
more information, see "Setting Slider Tabs" on
page 5.
[6] In Installer Setup Options (ISU), set system type
to Conventional. Set cool stages to 2, and set
heat stages to 2.
[3] Optional 24 VAC common connection.
[4] If you do not have separate wires for the Aux
and E terminals, connect the wire to the Aux
terminal.
6
Wiring heat pump systems
1H/1C Heat Pump System
3H/2C Heat Pump System [10]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
Power [1]
R
Rc [R+Rc joined by Slider Tab] [2]
Y
Compressor contactor
Y
Compressor contactor (stage 1)
C
24 VAC common [3]
C
24 VAC common [3]
O/B Changeover valve [7]
Fan relay
O/B Changeover valve [7]
Fan relay
Aux Auxiliary heat [4]
Emergency heat relay [4]
Y2 Compressor contactor (stage 2)
Heat pump fault input
G
G
2H/1C Heat Pump System [8]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
E
R
L
Y
Compressor contactor
C
24 VAC common [3]
Dual Fuel System
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
O/B Changeover valve [7]
Fan relay
Aux Auxiliary heat [4]
R
G
Y
Compressor contactor (stage 1)
E
L
Emergency heat relay [4]
Heat pump fault input
C
24 VAC common [3]
O/B Changeover valve [7]
Fan relay
Aux Auxiliary heat [4]
Emergency heat relay [4]
G
2H/2C Heat Pump System [6]
Power [1]
Rc [R+Rc joined by Slider Tab] [2]
R
E
Y2 Compressor contactor (stage 2 - if
Y
Compressor contactor (stage 1)
needed)
C
24 VAC common [3]
L
S
S
Heat pump fault input
Outdoor sensor
Outdoor sensor
O/B Changeover valve [7]
Fan relay
Y2 Compressor contactor (stage 2)
Heat pump fault input
G
L
NOTES:
• Do NOT use W for heat pump applications. Auxiliary heat must wire to AUX or E.
• Available wiring configurations may differ by product models/product numbers.
• Wire specifications: Use 18- to 22-gauge thermostat wire. Shielded cable is not required.
[1] Power supply. Provide disconnect means and
[7] In Installer Setup Options (ISU), set Reversing
overload protection as required.
Valve to O/B on Cool (for cool changeover) or
to O/B on Heat (for heat changeover).
[2] Move R-Slider Tab on UWP to the R setting. For
more information, see "Setting Slider Tabs" on
page 5.
[8] In Installer Setup Options (ISU), set heat sys-
tem type to Heat Pump. Set compressor stages
to 1, and set Aux/E stages to 1.
[3] Optional 24 VAC common connection.
[10] In Installer Setup Options (ISU), set system type
to Heat Pump, set compressor stages to 2, and
set Aux/E stages to 1.
[4] If you do not have separate wires for the Aux
and E terminals, connect the wire to the Aux
terminal.
[6] In Installer Setup Options (ISU), set system type
to Heat Pump. Set compressor stages to 2, and
set Aux/E stages to 0.
7
Mounting thermostat
1
2
3
Push excess wire back into the wall
opening.
Close the UWP door. It should remain
closed without bulging.
Align the UWP with the thermostat, and
push gently until the thermostat snaps in
place.
4
5
If needed, gently pull to remove the
thermostat from the UWP.
Turn the power on at the breaker box or
switch.
Initial installer setup
• After the T6 Pro Z-Wave thermostat has
powered up, touch START SETUP on the
thermostat.
• Touch or to toggle between Installer
Set Up (ISU) options.
• Touch Edit or touch text area, and then
touch or to edit default setup
option.
View ISU
ISU option and
name (scrolling)
Arrow buttons
used to scroll
through ISUs
• Touch Done or touch text area to confirm
the setting or press Cancel.
• Touch or to continue to setup
another ISU option.
• To finish setup and save your settings,
scroll to the Finish screen at the end of
the ISU list.
Edit
NOTES:
Edit ISU
• To see a list of all setup parameters, go to
"Installer setup options (ISU) – advanced
menu" on page 15. The thermostat
displays the ISU name and the ISU
number.
ISU #
ISU option blinking
Arrow buttons
used to scroll
through ISU
options
• To prevent abnormal operation, it is
highly recommended to perform installer
setup and set thermostat to correct
HVAC system before including it in a
Z-Wave network.
Done
Cancels
Saves selected ISU
option moves on to
the next ISU screen
ISU option
selection, go
back to view
ISU
8
| General | Details |
|---|---|
| Name | Honeywell TH6320ZW2003 Pro Z-Wave Programmable Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 2.34 MB |

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